<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>JSON_秦疆</title>
    </head>
    <body>

        <script type="text/javascript">
            //编写一个js的对象
            var user = {
                name: "默苍离",
                age: 3,
                sex: "男"
            };

            //将js对象转换成json字符串
            var str = JSON.stringify(user);
            console.log(str);

            //将json字符串转换为js对象
            var user2 = JSON.parse(str);
            console.log(user2.age, user2.name, user2.sex);

        </script>

    </body>
</html>